Explanation As We know about the scattering of light in which light get scattered in different directions after striking with atmosphere particles. Light colour of longest wavelength is scattered by…
The direction of induced emf is given by lenz law which states that direction of induced emf is such that it oppose the cause which is producing it. case a…
As ,we know that relation between work and displacement is given by : Work = force × displacement. work done is defined as scalar product of force and displacement .…
Its is the phenomenon in which ray of light travelling at an angle of incidence greater than critical angle from denser to rarer medium is totally reflected back to same…
r2=1/2 r1 m1=m2=m(say) T1=24hr By the conservation of angular momentum, I1 ω1 = I2ω2. . . . . . . . .(1) Where, ω=2π/T ,angular velocity of the earth I=2/5…
Because when a bullet is fired from a gun, the force sending the bullet forward (action) is equal to the force sending the gun backward (reaction). But the mass of…
1) Theoretical approach In the case of AC voltage When AC voltage is connected with a capacitor, one plate of the capacitor gets charged positively and the other gets negatively…
It is easier to pull a body rather than pushing it over a rough surface when height of object is smaller than height of person. Explanation : Case 1 .…
The transformer is essentially a voltage control device that is widely used in alternating current power distribution and transmission. Explanation: The central iron core of most transformers is made…
Motion is the change of position of an object with respect to time. For example, a car moving on a road, a bird flying in the sky, or a ball…